Home / 106,435.37-146,877.67-58,688.71

Finding the Fourth Proportional to 106,435.37, 146,877.67 and 58,688.71

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Solution

The fourth proportional to 106,435.37, 146,877.67 and 58,688.71 is: 80,988.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,435.37 : 146,877.67 = 58,688.71 : x
  2. Step 2: Convert to fraction form
    106,435.37/146,877.67 = 58,688.71/x
  3. Step 3: Cross multiply
    106,435.37x = 146,877.67 × 58,688.71
  4. Step 4: Simplify right side
    106,435.37x = 8,620,060,686.27
  5. Step 5: Solve for x
    x = 8,620,060,686.27/106,435.37
  6. Step 6: Final answer
    x = 80,988.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.